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How to extract certain rows of a matrix?

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Mnr
Mnr 2014-3-26
评论： Mnr 2014-3-26
Hello all,
I have a matrix having large dimension (165475 X 2). Some of its rows have a coordinate of (0,0). I would like to extract those rows. In other words, I would like each row of my matrix be treated as a vector and I am interested in the index of those rows. Thanks.

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Mischa Kim
Mischa Kim 2014-3-26
Mnr, you could use
rows = find(all(data==0,2))

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